Amit Gandhi / sensen_copy_2

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targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/device/system_init_pre.c@178:c26431f84b0d, 2017-11-09 (annotated)

Committer:
amithy
Date:
Thu Nov 09 22:14:37 2017 +0000
Revision:
178:c26431f84b0d
Parent:
158:b23ee177fd68
Child:
160:d5399cc887bb
test export

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 157:ff67d9f36b67 1 /*
<> 157:ff67d9f36b67 2 * Copyright (c) 2015-2015, ARM Limited, All Rights Reserved
<> 157:ff67d9f36b67 3 * SPDX-License-Identifier: Apache-2.0
<> 157:ff67d9f36b67 4 *
<> 157:ff67d9f36b67 5 * Licensed under the Apache License, Version 2.0 (the "License"); you may
<> 157:ff67d9f36b67 6 * not use this file except in compliance with the License.
<> 157:ff67d9f36b67 7 * You may obtain a copy of the License at
<> 157:ff67d9f36b67 8 *
<> 157:ff67d9f36b67 9 * http://www.apache.org/licenses/LICENSE-2.0
<> 157:ff67d9f36b67 10 *
<> 157:ff67d9f36b67 11 * Unless required by applicable law or agreed to in writing, software
<> 157:ff67d9f36b67 12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
<> 157:ff67d9f36b67 13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 157:ff67d9f36b67 14 * See the License for the specific language governing permissions and
<> 157:ff67d9f36b67 15 * limitations under the License.
<> 157:ff67d9f36b67 16 */
<> 157:ff67d9f36b67 17 #include "stm32f4xx.h"
<> 157:ff67d9f36b67 18
<> 157:ff67d9f36b67 19 /*!< Uncomment the following line if you need to relocate your vector Table in
<> 157:ff67d9f36b67 20 Internal SRAM. */
<> 157:ff67d9f36b67 21 /* note: if uVisor is present the definition must go in system_init_pre.c */
<> 157:ff67d9f36b67 22 /* #define VECT_TAB_SRAM */
<> 157:ff67d9f36b67 23 #define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field.
<> 157:ff67d9f36b67 24 This value must be a multiple of 0x200. */
<> 157:ff67d9f36b67 25
<> 157:ff67d9f36b67 26 /* this function is needed to peform hardware initialization that must happen
<> 157:ff67d9f36b67 27 * before the uVisor; the whole SystemInit function for the STM32F4 cannot be
<> 157:ff67d9f36b67 28 * put here as it depends on some APIs that need uVisor to be enabled */
<> 157:ff67d9f36b67 29 void SystemInitPre(void)
<> 157:ff67d9f36b67 30 {
<> 157:ff67d9f36b67 31 /* FPU settings ------------------------------------------------------------*/
<> 157:ff67d9f36b67 32 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
<> 157:ff67d9f36b67 33 SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */
<> 157:ff67d9f36b67 34 #endif
<> 157:ff67d9f36b67 35
<> 157:ff67d9f36b67 36 /* Configure the Vector Table location add offset address ------------------*/
<> 157:ff67d9f36b67 37 #ifdef VECT_TAB_SRAM
<> 157:ff67d9f36b67 38 SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
<> 157:ff67d9f36b67 39 #else
<> 157:ff67d9f36b67 40 SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
<> 157:ff67d9f36b67 41 #endif
<> 157:ff67d9f36b67 42 }